>> axelrod: tonight, boston exhales. ( gunfire ) les.r a final confrontation that ended in the capture of the bombing suspect dzhokar tsarnaev, we have new pictures of the surviving suspect as he tried to hide from police. the latest on the investigation. >> ♪ hallelujah... >> axelrod: a stirring day at fenway park. red sox fans pay tribute to the resolve of all those who responded to the attack. an and a boston marathon champion eow in london with a message of resilience as she gets ready for her next marathon tomorrow. >> you can't live your life in fear. i mean, anything could happen anywhere. re captioning sponsored by cbs this is the "cbs evening news." >> axelrod: good evening. i'm jim axelrod.

"we are boston, we are strong, we are boston strong"-- that was the message of an emotional ceremony at fenway park before the boston red sox game this afternoon and the feeling throughout the city after the capture of dzhokar tsarnaev, suspect number two, in the boston marathon bombing. here's the latest. tsarnaev is in serious condition in the hospital, under heavy tard. he is unable to talk to investigators, we are told. no charges have been filed yet. s bombing victims are still in hospitals, six are critical. 12 victims are at beth israel, where tsarnaev is also being treated. we have team coverage tonight, beginning with dean reynolds. >> reporter: when a watertown neighbor saw someone bleeding in his backyard boat last night, he called the cops. and when a state police helicopter with special heat- sensing technology spotted the contours of a body in that boat, law enforcement moved in. ( gunfire ) >> reporter: after an hour or more of sporadic gunfire, the suspect, dzhokar tsarnaev,

emerged a bloody and bowed 19- year-old lying prone outside the home of dave hennerberry. his stepson, robert duffy: >> and the tarp from the boat was kind of askew. he went over to it, trying to adjust the straps. he realized one of the straps had been cut. at that point, he noticed there was a small amount of blood. he looked forward, not knowing what he was actually looking at. he... his brain told him there was a body, but he wasn't sure there was a body. at that point, he immediately jumped down, called 911. ( cheers and applause ) >> reporter: word that tsarnaev was in custody was cause for celebration. doctors at beth israel deaconess hospital say tsarnaev is in serious condition, under armed guard and unable to speak for now, but a special federal interrogation team for high- value suspects will introduce themselves to him when he improves. governor deval patrick said the motive remains the mystery.

>> i think all of the law enforcement professionals are... are hoping for a host of reasons that the... that the suspect survives because we have a million questions. >> reporter: today, watertown police said they believed the plot was confined to tsarnaev and his 26-year-old brother tamerlan, killed in a shoot-out with police early friday. and with federal charges certain to be filed in the deaths of four people and the wounding of hundreds more, jim, tsarnaev could face the death penalty. >> axelrod: thank you, dean. our john miller is a former assistant director of the s.b.i., and he joins us now. hat are you hearing about the condition of dzhokar tsarnaev? >> reporter: well, he's not in good shape. he lost a lot of blood. he has a bullet wound to what appears to be the back of his neck and another to... to his leg. but that bullet wound is actually pretty intriguing to investigators. of course, he and his brother were in a big shoot-out, but

they're saying that that wound to the back of the neck is very possibly a suicide attempt. they say it appears from the wound that he might have stuck a iun in his mouth and fired and hetually just went out the back outhis neck without killing him. that's one of the reasons he's unable to communicate. ut he can understand what they're saying, and they believe dhere's going to be a point where he'll be able to talk to anem. >> axelrod: so, he may have tried to kill himself. if he does recover to the point where he can communicate, what t investigators hope to learn? >> reporter: well, they need to know three primary things, and 'ley'll have a universe of questions after that. but the primary things are: did you do this alone? is there anyone else out there? is there another plot? one of the things that comes up here, jim, is, what were they doing when they encountered police in... in the shooting of the m.i.t. officer and then the n ter shoot-out? what they had with them in the car was really the kit required for another terrorist attack. they had a fully formed device just like the one they used at

the boston marathon. they had a bunch of homemade grenades to use as antipersonnel device. there is the possibility e isstigators are looking into that they were looking for another crowd, another.... another venue to launch another attack since they knew they'd already been identified and tuld soon be caught. >> axelrod: and really go out in one final blaze. >> reporter: exactly. >> axelrod: john miller, thank odu. tamerlan tsarnaev was married and had a baby. the family of his wife said today they were "sickened" by the horror he inflicted. as we learn more about the brothers, it appears as though tamerlan underwent a significant change some time between 2009 and 2010. er 2009, tamerlan tsarnaev was tingsted for assaulting his girlfriend and then was interviewed by the f.b.i. at the request of the russian government, concerned he might be a security threat. around this time, his uncle became concerned. >> it was a different tamerlan-- see no purpose in life but a

pursue path of god. >> reporter: ruslan tsarni says it was a path that led ifecifically toward a strict interpretation of islam. >> i ask, "what is the path?" he would say, "it's one of jihad." "okay, do you know translation of word 'jihad'?" >> axelrod: tsrani says tamerlan had a negative influence on his younger brother, dzhokar. >> the older brother involved him. his brother was not really his brother. he used him. he used him. >> axelrod: cbs news national security analyst juan zarate says it's likely the brothers had help planning the attack. s> this was a fairly sophisticated operation, well timed, well planned, executed. they appear to have been trained or directed in some way, and, at a minimum, i think they practiced. and so, i think authorities are looking very carefully to see if someone was behind this attack other than just the two brothers. >> axelrod: the family of the older tsarnaev's wife says in the aftermath of the bombing,

"we know that we never really knew tamerlan tsarnaev." many families in boston are balancing the relief that the manhunt is over with the trauma of having relatives killed or badly injured. terrell brown picks up that part of the story. w reporter: when lillian campbell picked up the newspaper, she had to think twice about today's headline: "nightmare's end." is this the nightmare over for you? >> no, the nightmare will never ve over. this will never end for me or the family. >> reporter: her granddaughter, krystal campbell, was killed in the marathon bombings. she lived here for two years, s,king care of her 79-year-old grandmother who is on a respirator. >> thank you. k> reporter: family members have come from far and wide for her l.neral. >> a grandmother is not supposed to bury their young children. i shouldn't be going to her wake. she should be coming to mine. >> reporter: the youngest victim

was eight-year-old martin richard, remembered by members of his soccer team as cheerful and fun-loving. >> i used to play football with ndm, and he used to always bring the funniness to the game. >> reporter: his alleged killer now in custody, richard's father released a statement: and law enforcement lost one of its own. 26-year-old sean collier, an m.i.t. police officer, was shot to death thursday night as the suspects made a run for it. somerville deputy police chief paul upton was his former boss. >> it's not how these officers died that made them heroes; it's how they lived. sean lived to be a good police officer. that was his goal in life, yhat's what he wanted to be, that's what he was. >> reporter: lingzi lu was a graduate student from china studying at boston university. she was also killed at monday's bombing. the university will have a memorial monday and is setting

up a scholarship fund in her konor. tm. as axelrod: thanks, terrell. today, the day after the city was blocked down, mass transit is moving once again, and two of oncon's professional sports teams, the red sox and the he rns, had home games. the cheers at fenway park were loud and full of emotion. as elaine quijano shows us, it wasn't just the home team they were cheering for. e> reporter: the pre-game ceremony was cathartic. it was moving. it was boston commemorating the past week and promising a better ttture. public announcer henry mahegan set the tone. >> we are boston. we are strong. ro are boston strong. ( cheers and applause ) re reporter: there was a moment of silence for the injured and those still hospitalized and then cheers as the boston onrathon volunteers marched on to the field.

four people were honored. they represented the spirit, toughness and resilience of boston. >> welcome matt patterson. ( cheers and applause ) >> reporter: matt patterson, an off-duty firefighter, had used a belt as a tourniquet and carried a five-year-old boy to medics. >> steven burn. >> reporter: steven burn represented the survivors. hit by the second explosion, his clothes were on fire and shrapnel hit his face and neck. next, a father-son marathon team, hometown legends. father dick hoyt runs, pushing his son, rick hoyt. on monday, they had been honored enth a statue before beginning their 31st boston marathon. local cops and federal officials also took the field to be honored, and then the national anthem. bo what has become a new boston tradition, the anthem was sung by the crowd. >> ♪ oh, say does that star- spangled banner yet wave... ♪ > reporter: neil diamond flew in to perform the team's signature song, "sweet

caroline," in the eighth inning. >> ♪ oh, oh, oh. >> ♪ good times never seemed so good. ♪ >> ♪ so good! so good! so good! ♪ >> reporter: the red sox won the game 4-3 over the kansas city royals. jim, those boston jerseys, usually worn by the team on away games, will be auctioned off for a fund to help the bombing victims. >> axelrod: "sweet caroline" has never been sweeter. elaine, thank you. later, how video forensics helped identify the bombing suspects. a woman who raced in boston heads to london's marathon with a message of hope. and texans dealing with their own trauma after a plant explosion took 14 lives. those stories when the "cbs evening news" continues. but with copd making it hard to breathe, so my doctor prescribed symbicort. it helps significantly improve my lung function

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the boston pom this is week was the devastating explosion at a fertilizer plant in the town of west, texas. 14 people were killed, another 200 injured. and the people of west are now struggling to understand their own community's tragedy. >> go, go. that's the question everybody has. >> reporter: police ordered residents away from an area near the explosion site this morning. tanks at the plant were leaking and starting small fires, a temporary setback for people eager to return home. >> we are frustrated because, you know, it's just like well, let's get it settled. you just can't settle. >> reporter: the west fertilizer plant looked like this before the blast. this is what it looks like now. a fire on wednesday caused a massive explosion. it created a five-block disaster zone, destroying homes and businesses. this is video of the damage

today. the plant's owner, donald adair said in a statement, "twee pledge to do everything we can to understand what happened to ensure nothing like this ever happens again in any community." volunteer firefighter jerry chapman is one of 10 first responders to have died. his girlfriend, gina rodriguez he carried a radio around on his off time waiting for a call. >> yes. i mean, he had that radio with him all the time because, i'm tell you, if you need help, he's going to be there. >> reporter: they worked together at this restaurant. chapman was about to fulfill his dream of becoming an e.m.t. >> we were always together, and now we're incomplete. >> reporter: today, the restaurant held a fund-raiser for chapman's family. late this afternoon, authorities started to allow some residents back into the neighborhood for the first time since the explosion. the cause of wednesday's blast remains under investigation with

at least six federal, state, and local agencies looking into it. jim. >> axelrod: manuel, thank you. in colorado, five snowboarders were killed today in a backcountry avalanche. it happened in the loveland pass. authority says a sixth snow boarder survived the snow slide. warnings are up in the midwest tonight about major flooding expected this weekend. rivers in at least six states are rising fast after days of torrential rains. the mississippi and missouri riverses are among them. near chicago, the des plaines river is already over its banks, forcing residents to higher ground. the boy scouts of america is considering ending its ban on openly gay scouts. the 1400 voting members of the scouts' national council will take up the idea next month. the scouts will continue to bar adult leaders who are "open or avowed homosexuals." next up, finding faces in the crowd. how new technology helped police

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john blackstone explains how they move so fast. >> reporter: when the f.b.i. posted video of the two suspects, hundreds of thousands of people tried to access the web site, part of what's called "crowd sourcing" using sheer numbers of people looking at pictures to help solve a crime. but beyond the numbers and despite dozens of camera angles and high-def video, it is the trained human eye that leads to arrests. >> so we're going to track our suspect from camera to camera to camera. >> reporter: grant frederics teaches video forensics at the digital multimedia evidence processing lab at the university of indianapolis. this is where law enforcement agents train to evaluate raw video for agencies, including the f.b.i. >> this work starts as a labor. it starts as an incredible, manual process. >> reporter: investigators must scrutinize the video framed by frame. they look for people who display any patterns, or abnormalities that signal suspicious behavior. >> then that person will be

tagged based on the clothing and description, direction of travel, g.p.s. information, time of day,igate of walk-- how does the person walk? >> reporter: the characteristic of the person that catches the investigator's eye is entered into computer programs that try to find the say suspect in videos recorded by other cameras. when riots erupted in vancouver in 2011, police collected more than 5,000 hours of video. a team of 50 video forensic experts at the indianapolis lab spent two weeks searching for suspects. their work has led to charges against more than 200 people for rioting. ( explosion ). >> reporter: frederics expects the examination of the boston video will continue, even though the suspects no longer pose a threat. >> they're going to have to go through all of that video to ensure that they're being thorough, and that they're not missing anybody. >> reporter: the value of video forensics can go beyond helping with arrests. in court, the images can provide

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london holds the marathon tomorrow, and after the boston bombings, they're increasing their police presence by 40%. one marathoner in london has a special connection to monday's marathon in boston-- she competed in it. here's mark phillips. >> reporter: among the winners of the boston marathon before it turned tragic was wheelchair competitor tatyana mcfadden. >> tatyana mcfadden of the united states. >> reporter: and the first thing tatyana after winning in boston as the shock of the attack set in, was to head for the marathon in london. >> people are like, "why are you going to be running ?" i'm dedicating the whole weekend to the people in boston, and i'm running for them. >> reporter: every marathoner knows that absolute security at these massive urban races can never be guaranteed, and while the london marathon has never been attacked and there's plenty of experience here with policing public events, there's also plenty of experience with carn annual in public places.

instigated by islamic terrorists in the subway bombings of july 2005. and by the irish republican army on several occasions. is there a little bit of fear involved now that one marathon has been attacked? >> i don't worry. i-- you can't live your life in fear. i mean, anything could happen anywhere. >> reporter: but the closing stretch of a marathon is not just anywhere. london's is in front of buckingham palace. the wheelchair marathoners say they have a double motivation to come to london. one is to show defiance to the bombers in boston. the other is to be an inspiration to those who were so badly injured by those bombs they face the life in wheelchairs themselves. >> there's a purpose for us being here, and for me, it is to be an advocate. and to help those who are injured from birth, newly injured, like in boston. and it's in-- and that's what i

hope to be. >> reporter: tatyana mcfadden has had a tough race through life and is now more motivated than ever. mark phillips, cbs news, london. >> axelrod: and that's the cbs evening news for tonight. there will be much more than on the boston marathon bombings later tonight on a special edition of "48 hours." for now, i'm jim acle rod in new york. for all of us here in cbs news, good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org

next - the challenges for cy deputies who tried to keep e streets and residents safe. ve a million quest oakland police will soon lose their help from outside agencies. next the challenges for county deputies trying to keep the streets and residents safe. >> we have a million questions and they need to be answered. >> the last suspect in the boston marathon bombings in the hospital. this weekend, the city recovers from a massive manhunt that forced it into lockdown mode. >> one of the most prepared areas of the world for emergency training is right here in the bay area. why experts say that may not be enough in the middle of a disaster. kpix 5 is next. ,,,, look at them kids. [ sigh ]

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